To Renew a Signing Key
Sign in to Next-Gen Trust Security.
Click Insights > Signing Keys.
Select the Signing Key to open its details.
To renew the Signing Key without changing properties, select Renew.
To change properties before renewal:
After the Signing Key is renewed, its updated properties and renewal date appear in the details drawer. On the Cryptographic Objects tab, you can view the previous certificate and key pair settings by clicking the Current drop-down menu and selecting a past object.